Description
Sprinco's flat wire design is built differently from standard round wire springs for one big reason: real-world reliability. These springs are made from high-quality 17-7 stainless steel with military specifications and heat treatment to deliver years of dependable performance in your 30-round mags.
What makes flat wire different is the geometry. The flat profile prevents buckling under pressure, which means you get uniform feeding throughout your mag without the weak spots that develop in traditional round wire springs. Flat wire also handles being kept fully loaded indefinitely without spring fatigue, so you can store your magazines loaded without worrying about lost tension over time.
Better Spring Design for Consistent Feeding
Feed reliability improves because of how the flat wire compresses. The design provides better support to the top 4 rounds while staying easier to load to full capacity. There's no over-compression problem with anti-tilt followers, and the spring won't buckle like traditional designs do. Most people who swap to these notice a smoother compression feel when loading and a more consistent feeding experience when running them through your gun.
Wide Compatibility Across Magazine Brands
These springs work with most popular mag bodies and followers including USGI, Magpul, Lancer, Hexmag, and Orlite magazines. The only exceptions are Brownells USGI tan followers, ETS mags, and some HK followers. Since they're a simple drop-in replacement, swapping them is quick with no tools required. You get three springs in this pack, so you can outfit multiple magazines or rotate them as you upgrade your collection.
Key Specifications
- Manufacturer: Sprinco USA
- Manufacturer Part Number: 24533
- UPC: 657780245338
- Quantity: 3 springs
- Compatible Capacity: 30-round AR-15 magazines
- Cartridge Compatibility: 5.56 NATO / .223 Remington
- Material: 17-7 Stainless Steel
- Wire Type: Flat wire
- Construction Standard: Mil-Spec, heat treated
- Compatible Magazines: USGI, Magpul, Lancer, Hexmag, Orlite
- Incompatible With: Brownells USGI tan followers, ETS mags, some HK followers
- Drop-in Replacement: Yes
- Storage: Store fully loaded indefinitely without spring fatigue
What’s Included
- 3 Sprinco AR-15 30-round flat wire magazine springs
Frequently Asked Questions
How does a flat wire spring perform differently than a standard round wire spring?
Flat wire springs don't buckle under compression like round wire designs, which guarantees more consistent feeding. The flat profile also provides better support to your top 4 rounds while staying easy to load to full capacity. Most users notice a smoother compression feel when loading and more uniform feed rates when firing.
Can I leave my magazines loaded with these springs for months without losing performance?
Yes, that's one of the main advantages. These springs are engineered to store fully loaded indefinitely without experiencing spring fatigue or losing tension. You can safely keep your mags at full capacity without worry.
What magazines will these springs work with?
They're compatible with most popular mag bodies and followers including USGI, Magpul, Lancer, Hexmag, and Orlite. The exceptions are Brownells USGI tan followers, ETS magazines, and some HK followers. If you're unsure about a specific magazine, it's worth double-checking before purchase.
Are these hard to install in my magazines?
No, these are simple drop-in replacements. You'll just remove your old spring and install the new one with no tools required. It's a straightforward five-minute swap on each magazine.





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